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GTLP8T306 Datasheet, PDF (4/7 Pages) Fairchild Semiconductor – 8-Bit LVTTL/GTLP Bus Transceiver
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DC Electrical Characteristics
Over Recommended Operating Free-Air Temperature Range, VREF = 1.0V (unless otherwise noted).
Symbol
Test Conditions
Min
Typ
(Note 4)
VIH
B-Port
Others
VREF +0.05
2.0
VIL
B-Port
0.0
Others
VREF
GTLP
1.0
GTL
0.8
VIK
VOH
A-Port
VCC = 3.15V
VCC = Min to Max
(Note 5)
II = −18 mA
IOH = −100 µA
VCC −0.2
VCC = 3.15V
IOH = −12 mA
2.4
IOH = −24 mA
2.0
VOL
A-Port
VCC = Min to Max
(Note 5)
IOL = 100 µA
VCC = 3.15V
IOL = 24 mA
B-Port
VCC = 3.15V
IOL = 40 mA
IOL = 50 mA
II
A-Port
VCC = 3.45V
VI = 5.5V
VI = 0V
Control Pins
VCC = 3.45V
VI = 5.5V
VI = 0V
B-Port
VCC = 3.45V
VI = VTT
VI = 0
IOFF
A-Port
VCC = 0
VI or VO = 0 to 4.5V
II (Hold) A-Port
VCC = 3.15V
VI = 0.8V
75
VI = 2.0V
−20
IOZH
A-Port
VCC = 3.45V
VO = 3.45V
B-Port
VO = 1.5V
IOZL
A-Port
VCC = 3.45V
VO = 0
B-Port
VCC = 3.45V
VO = 0.55
ICC
A or B Ports
VCC = 3.45V
Outputs HIGH
7
Outputs LOW
8
IO = 0
VI = VCC or GND
Outputs Disabled
8
ICC
A-Port and
VCC = 3.45V
One Input at VCC–0.6V
0
(Note 6) Control Pins
A or Control Inputs at
VCC or GND
CIN
Control Pins
VI = VCC or 0
5
A-Port
VI = VCC or 0
7
B-Port
VI = VCC or 0
9
Note 4: All typical values are VCC = 3.3V and TA= 25°C.
Note 5: For conditions shown as Min, use the appropriate value specified under recommended operating conditions.
Note 6: This is the increase in supply current for each input that is at the specified LVTTL voltage level rather than VCC or GND.
Max
VTT
VREF −0.05
0.8
−1.2
Units
V
V
V
V
V
V
V
V
0.2
V
0.5
0.4
V
0.55
20
µA
−20
5
µA
−5
5
µA
−5
100
µA
µA
20
µA
5
−20
µA
−5
18
20
mA
20
1
mA
pF
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